Improvement in steam-packing



A. H. HALL AND H. T.

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Letters Pwte'nt No. 91,120, dated June 8, 1869. s

IMPROVEMENT IN STEAM-PACKING".

The Schedule referred to in these Letters Patent land making paxt of thesame.

To all whom 'it may concern Be it known that we, A. H. HALL, and H. T.LEE, of Marysville, in the county of Yuba, and State of California, haveinvented a new and useful Method of Packing Steam-Joints; and we dohereby declare that the following is a full and exact description of thesame, reference being had to the accompanying drawings, and to theletters of reference marked thereon.

In the drawings- Figure l represents a perspective view of a steamchestpacked.

Figure 2 is a transverse section, showing the packing enclosed in thejoint.

Figure 3 isa section of a strip of the packing, already A upset andready for use.

placed the metal strip a', which may be of any suita ble material.

The edges of the latter project at each side of the. joint, and areupset on each side, thus forming a secure joint.

The advantage of this mode of packing consists in sinking the inside aswell as the outside edge of the joint into the upset part of' thepacking, thereby inak-y ing the inside, a's well as the outside edge,steam -tightl The joints may be taken apart as often as required,Without injuring the packing,- tliereby affecting agreat saving.

We do not claim the kinds of metal used, but

Nh'at we claim, and desire to secure by Letters Patent, is-

..llie construction of the malleable metal strips, substantially asdescribed, and for the purpose set forth.

This specification signed and witnessed, this 9th day of February, 1869.

A". H. HALL. H. T. LEE.

Witnesses:

B. R. Lrrrmco'r'r, B. BIGELOW.

